22173381208016 has 40 divisors (see below), whose sum is σ = 45507471726024. Its totient is φ = 10430074736640.

The previous prime is 22173381207997. The next prime is 22173381208021. The reversal of 22173381208016 is 61080218337122.

It can be written as a sum of positive squares in 4 ways, for example, as 1198849806400 + 20974531401616 = 1094920^2 + 4579796^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16774565 + ... + 18048068.

Almost surely, 2^{22173381208016} is an apocalyptic number.

It is an amenable number.

22173381208016 is an abundant number, since it is smaller than the sum of its proper divisors (23334090518008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22173381208016 is a wasteful number, since it uses less digits than its factorization.

22173381208016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34824999 (or 34824993 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 22173381208016 in words is "twenty-two trillion, one hundred seventy-three billion, three hundred eighty-one million, two hundred eight thousand, sixteen".